The Chemistry of Green

“The Chemistry of Green” outlines the role of chlorophyll in photosynthesis, and the role ofpigments in making plants green (or making them appear green). Also in this collection: news stories from the archives of NBC News and Scientific American on chlorophyll, sunlight andbiofuels, green things (trees, grass, algae) and, for fun, a 1990 story about crayon colors; plus a diagram of the electromagnetic spectrum, and maps of plant zones.

The Chemistry of Green

This NBC Learn video explains the basic role of the pigment molecule chlorophyll in photosynthesis, and explains why plants are -- or appear to be -- green: because chlorophyll molecules absorb visible light in all color wavelengths e ...

This 2010 "Scientific American" article reports on quantum mechanics research being done at MIT to better mimic the way photosynthesis works in plants to harvest energy from sunlight. Researchers hope to engineer more efficient system ...

This 2010 "Scientific American" article reports that the apparent discovery of a previously-unknown form of chlorophyll -- able to absorb part of the light spectrum beyond what other chlorophyll types can absorb -- could lead to devel ...

This 2010 "Scientific American" article reports on evidence of a previously- unknown type of chlorophyll, called chlorophyll f, that can absorb near-infrared light up to 706 nanometers on the Electromagnetic Spectrum, well past the 6 ...

Microbes found in primordial hot springs, dead plants and living plants such as switch grass can transform cellulose into sugar, which can be fermented into cellulosic ethanol -- a recipe for a promising biofuel.

Crayola Crayons retires 8 "classic" colors, replacing them with 8 new, trendier colors. While some protest, children on factory tours are still captivated to see liquid (of whatever color) turn into solid crayons.

Map showing, with color shadings, temperature differences and shifts between a 1990 USDA map of plant Hardiness Zones in the continental United States and a 2006 map by arborday.org -- differences that "reflect warmer climate," accord ...

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DVDs AND OTHER COPIES

The Science of the Olympic Winter Games is not available on DVD
at this time due to licensing restrictions on on Olympic footage.

DOWNLOADING VIDEOS

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